lost connection to test machine syzkaller login: qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x10c000) Warning: Permanently added '[localhost]:8519' (ED25519) to the list of known hosts. [ 92.058008][ T10] cfg80211: failed to load regulatory.db 2026/10/14 07:28:57 parsed 1 programs [ 96.877546][ T5290] cgroup: Unknown subsys name 'net' [ 96.963575][ T5290] cgroup: Unknown subsys name 'cpuset' [ 96.967424][ T5290] cgroup: Unknown subsys name 'rlimit' [ 117.661088][ T1025] ata1.00: exception Emask 0x0 SAct 0x4000 SErr 0x0 action 0x6 frozen [ 117.661301][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 117.661309][ T1025] ata1.00: cmd 61/60:70:be:57:04/08:00:00:00:00/40 tag 14 ncq dma 1097728 ou [ 117.661309][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 117.661336][ T1025] ata1.00: status: { DRDY } [ 117.661416][ T1025] ata1: hard resetting link [ 117.988273][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 117.999510][ T1025] ata1.00: configured for UDMA/100 [ 118.010212][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 138.122980][ T1328] ieee802154 phy0 wpan0: encryption failed: -22 [ 138.123056][ T1328] ieee802154 phy1 wpan1: encryption failed: -22 [ 148.380879][ T1025] ata1.00: exception Emask 0x0 SAct 0x8000000 SErr 0x0 action 0x6 frozen [ 148.380908][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.380915][ T1025] ata1.00: cmd 61/00:d8:36:e1:04/20:00:00:00:00/40 tag 27 ncq dma 4194304 ou [ 148.380915][ T1025] res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x4 (timeout) [ 148.380944][ T1025] ata1.00: status: { DRDY } [ 148.380992][ T1025] ata1: hard resetting link [ 148.705020][ T1025] ata1: SATA link up 1.5 Gbps (SStatus 113 SControl 300) [ 148.707034][ T1025] ata1.00: configured for UDMA/100 [ 148.707268][ T1025] ata1: EH complete qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 148.753900][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 148.753919][ T1025] ata1: failed to read log page 10h (errno=-5) [ 148.753932][ T1025] ata1.00: exception Emask 0x1 SAct 0x1e00 SErr 0x0 action 0x0 [ 148.753943][ T1025] ata1.00: irq_stat 0x40000000 [ 148.753954][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.753962][ T1025] ata1.00: cmd 61/00:48:36:21:05/20:00:00:00:00/40 tag 9 ncq dma 4194304 ou [ 148.753962][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.753989][ T1025] ata1.00: status: { DRDY } [ 148.753998][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.754005][ T1025] ata1.00: cmd 61/00:50:36:41:05/20:00:00:00:00/40 tag 10 ncq dma 4194304 ou [ 148.754005][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.754041][ T1025] ata1.00: status: { DRDY } [ 148.754051][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.754057][ T1025] ata1.00: cmd 61/00:58:36:61:05/20:00:00:00:00/40 tag 11 ncq dma 4194304 ou [ 148.754057][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.754088][ T1025] ata1.00: status: { DRDY } [ 148.754098][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.754105][ T1025] ata1.00: cmd 61/18:60:36:81:05/07:00:00:00:00/40 tag 12 ncq dma 929792 out [ 148.754105][ T1025] res 50/00:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.754133][ T1025] ata1.00: status: { DRDY } [ 148.755062][ T1025] ata1.00: configured for UDMA/100 qemu-system-x86_64: ahci: PRDT length for NCQ command (0x0) is smaller than the requested size (0x400000) [ 148.834154][ T1025] ata1: EH complete [ 148.859642][ T1025] ata1.00: Read log 0x10 page 0x00 failed, Emask 0x1 [ 148.859661][ T1025] ata1: failed to read log page 10h (errno=-5) [ 148.859671][ T1025] ata1.00: NCQ disabled due to excessive errors [ 148.859679][ T1025] ata1.00: exception Emask 0x1 SAct 0x600000 SErr 0x0 action 0x0 [ 148.859690][ T1025] ata1.00: irq_stat 0x41000008 [ 148.859701][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.859707][ T1025] ata1.00: cmd 61/00:a8:36:41:05/20:00:00:00:00/40 tag 21 ncq dma 4194304 ou [ 148.859707][ T1025] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.859734][ T1025] ata1.00: status: { DRDY } [ 148.859742][ T1025] ata1.00: error: { ABRT } [ 148.859750][ T1025] ata1.00: failed command: WRITE FPDMA QUEUED [ 148.859755][ T1025] ata1.00: cmd 61/00:b0:36:61:05/20:00:00:00:00/40 tag 22 ncq dma 4194304 ou [ 148.859755][ T1025] res 50/04:00:00:00:00/00:00:00:00:00/00 Emask 0x1 (device error) [ 148.859783][ T1025] ata1.00: status: { DRDY } [ 148.859790][ T1025] ata1.00: error: { ABRT } [ 148.909670][ T1025] ata1.00: configured for UDMA/100 [ 148.910211][ T1025] ata1: EH complete qemu-system-x86_64: hw/ide/core.c:925: ide_dma_cb: Assertion `prep_size >= 0 && prep_size <= n * 512' failed. Connection to localhost closed by remote host. syzkaller build log: go env (err=) AR='ar' CC='gcc' CGO_CFLAGS='-O2 -g' CGO_CPPFLAGS='' CGO_CXXFLAGS='-O2 -g' CGO_ENABLED='1' CGO_FFLAGS='-O2 -g' CGO_LDFLAGS='-O2 -g' CXX='g++' GCCGO='gccgo' GO111MODULE='auto' GOAMD64='v1' GOARCH='amd64' GOAUTH='netrc' GOBIN='' GOCACHE='/syzkaller/.cache/go-build' GOCACHEPROG='' GODEBUG='' GOENV='/syzkaller/.config/go/env' GOEXE='' GOEXPERIMENT='' GOFIPS140='off' GOFLAGS='' GOGCCFLAGS='-fPIC -m64 -pthread -Wl,--no-gc-sections -fmessage-length=0 -ffile-prefix-map=/tmp/go-build2838774987=/tmp/go-build -gno-record-gcc-switches' GOHOSTARCH='amd64' GOHOSTOS='linux' GOINSECURE='' GOMOD='/syzkaller/jobs/linux/gopath/src/github.com/google/syzkaller/go.mod' GOMODCACHE='/syzkaller/jobs/linux/gopath/pkg/mod' GONOPROXY='' GONOSUMDB='' GOOS='linux' GOPATH='/syzkaller/jobs/linux/gopath' GOPRIVATE='' GOPROXY='https://proxy.golang.org,direct' GOROOT='/usr/local/go' GOSUMDB='sum.golang.org' GOTELEMETRY='local' GOTELEMETRYDIR='/syzkaller/.config/go/telemetry' GOTMPDIR='' GOTOOLCHAIN='auto' GOTOOLDIR='/usr/local/go/pkg/tool/linux_amd64' GOVCS='' GOVERSION='go1.26.0' GOWORK='' PKG_CONFIG='pkg-config' git status (err=) HEAD detached at 3526e777e9f nothing to commit, working tree clean tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env go list -f '{{.Stale}}' ./sys/syz-sysgen | grep -q false || go install ./sys/syz-sysgen make .descriptions tput: No value for $TERM and no -T specified tput: No value for $TERM and no -T specified Makefile:31: run command via tools/syz-env for best compatibility, see: Makefile:32: https://github.com/google/syzkaller/blob/master/docs/contributing.md#using-syz-env bin/syz-sysgen touch .descriptions GOOS=linux GOARCH=amd64 go build -ldflags="-s -w -X github.com/google/syzkaller/prog.GitRevision=3526e777e9f189bbd898e10cf3042abe4c75f179 -X github.com/google/syzkaller/prog.gitRevisionDate=20250731-122719" -o ./bin/linux_amd64/syz-execprog github.com/google/syzkaller/tools/syz-execprog mkdir -p ./bin/linux_amd64 g++ -o ./bin/linux_amd64/syz-executor executor/executor.cc \ -m64 -O2 -pthread -Wall -Werror -Wparentheses -Wunused-const-variable -Wframe-larger-than=16384 -Wno-stringop-overflow -Wno-array-bounds -Wno-format-overflow -Wno-unused-but-set-variable -Wno-unused-command-line-argument -static-pie -std=c++17 -I. -Iexecutor/_include -DGOOS_linux=1 -DGOARCH_amd64=1 \ -DHOSTGOOS_linux=1 -DGIT_REVISION=\"3526e777e9f189bbd898e10cf3042abe4c75f179\" /usr/bin/ld: /tmp/ccmLP3cd.o: in function `Connection::Connect(char const*, char const*)': executor.cc:(.text._ZN10Connection7ConnectEPKcS1_[_ZN10Connection7ConnectEPKcS1_]+0x386): warning: Using 'gethostbyname' in statically linked applications requires at runtime the shared libraries from the glibc version used for linking